Dimensions and classes of psychosis in a population cohort: a four-class, four-dimension model of schizophrenia and affective psychoses

• Published in: Psychological medicine Vol. 35; no. 4; pp. 499 - 510
• Main Authors: MURRAY, V., McKEE, I., MILLER, P. M., YOUNG, D., MUIR, W. J., PELOSI, A. J., BLACKWOOD, D. H. R.
• Format: Journal Article
• Language: English
• Published: Cambridge, UK Cambridge University Press 01.04.2005
• Subjects: Adolescent; Adult and adolescent clinical studies; Affective psychoses; Aged; Biological and medical sciences; Classification; Cohort analysis; Diagnosis, Differential; Female; Health Surveys; Humans; Latent structures; Male; Medical diagnosis; Medical sciences; Mental disorders; Middle Aged; Needs Assessment - statistics & numerical data; Nosology. Terminology. Diagnostic criteria; Operational criteria; Other psychotic disorders; Principal Component Analysis; Psychiatric Status Rating Scales - statistics & numerical data; Psychiatry; Psychology. Psychoanalysis. Psychiatry; Psychometrics - statistics & numerical data; Psychopathology. Psychiatry; Psychoses; Psychosis; Psychotic Disorders - classification; Psychotic Disorders - diagnosis; Psychotic Disorders - epidemiology; Psychotic Disorders - psychology; Reproducibility of Results; Schizophrenia; Schizophrenia - classification; Schizophrenia - diagnosis; Schizophrenia - epidemiology; Schizophrenic Psychology; Scotland; Techniques and methods; United Kingdom; Europe; Scotland; Social environment; Human; Mood disorder; Evaluation; Factor analysis; Prevalence; Methodology; Mental health; Schizophrenia; Nosology; Latent variable model; Affective psychosis; Epidemiology; Retrospective; Psychosis; Symptomatology; Criterion; Classification; Diagnosis; Comparative study; Public health

Background. Classification of psychosis lacks a biological basis and current diagnostic categories may obscure underlying continuities. Data reduction methods of symptom profiles within a population-based cohort of people with a wide range of affective and non-affective psychoses may permit an empir...